Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
The Bruce Murray Space Image Library

A streamlined form in Lethe Vallis

Filed under pretty pictures, Mars, Mars Reconnaissance Orbiter

Go Back

A streamlined form in Lethe Vallis This image shows a portion of Lethe Vallis, an outflow channel that also transported lava. The channel formed by catastrophic floods, during which it produced the prominent crater-cored, teardroped-shaped island in the middle. The island has the blunter end pointing upstream and the long tail pointing downstream. The margins of the channel also show the terminal front of a pristine lava flow unit that inundated the channel from the south and the dunes show the remnants of another older lava flow. The top of the island displays polygonal patterned ground texture, which is a characteristic of periglacial processes in ice-rich ground. Learn more about this image here.


Original image data dated on or about May 6, 2016.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.


Other Related Images


Leave a Comment:

You must be logged in to submit a comment. Log in now.

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!